OpenTechnical

OT-2026-000084597

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000084597) never changes.

Identity and time

Publication numberOT-2026-000084597 · never reused
Internal UUID01a0ae98-e25b-7417-b09f-06612fe8c166 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084597
StatusPUBLIC

Content hashes

Canonical text21c599e2f5dd234b719fce58165b9266904ec1da5e09a69ceea441ea31c6919d
Markdown4554470dffb291f9fa4743d1dc972a4caf80dce65cdd2412379fa7a3870e816b
PDF
Publication page500511f4b506131d1ab020912bc1987302beb34376de5a07231c27c0e617aa02
Manifest96a27d7638aca9d87bd9ed68aa26e484e216720efcddbceec2ab4f25e1ff465a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturexmzHJ/oxfZOPgzsPbHJw+4serhmZX9C7VRWFwtdzVXSxe2KdNiOOjRhpkeFEjciJpDH9DNx15nZl/+poX39PDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:30.150822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084597
observed 500511f4b506131d1ab020912bc19873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.132301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084597/manifest.json
observed 96a27d7638aca9d87bd9ed68aa26e484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.113166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084597/publication.md
observed 4554470dffb291f9fa4743d1dc972a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.094180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084597/publication.txt
observed 21c599e2f5dd234b719fce58165b9266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.